Home / 3,168,587.20-4,752,880.80-1,038,886.60

Finding the Fourth Proportional to 3,168,587.20, 4,752,880.80 and 1,038,886.60

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Solution

The fourth proportional to 3,168,587.20, 4,752,880.80 and 1,038,886.60 is: 1,558,329.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168,587.20 : 4,752,880.80 = 1,038,886.60 : x
  2. Step 2: Convert to fraction form
    3,168,587.20/4,752,880.80 = 1,038,886.60/x
  3. Step 3: Cross multiply
    3,168,587.20x = 4,752,880.80 × 1,038,886.60
  4. Step 4: Simplify right side
    3,168,587.20x = 4,937,704,174,517.28
  5. Step 5: Solve for x
    x = 4,937,704,174,517.28/3,168,587.20
  6. Step 6: Final answer
    x = 1,558,329.90

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.